D & K Aviation, Inc. Avionics Department provides a wide variety of services including: 

• Aircraft Avionic/Electrical troubleshooting on wide array of aircraft to include: Gulfstream GII to GV, Challenger 600 to 604, Hawker, King Air, Lear, Cessna 208 Caravan, Sikorsky S-76 and Agusta helicopters, Pilatus PC-12, and Global Express.
   
• Certification of Altimeter, Static and Transponder systems of both RVSM and Non-RVSM aircraft. This includes bi-annual altimeter, transponder, pitot/static system tests, and inspections as required by FAR 91.411 and 91.413.
   

• Custom avionics installations, including 8.33Khz and FM Immunity upgrades, EFIS, AFIS, EGPWS, GPS, MFD, Nexrad Radar Data Link, Stormscope, TCAS I & II, Satcom system installations, and other system installations.
   

• Complete Battery Maintenance Shop performing all types overhaul and recertification of all manufacturers’ batteries including: Saft, Concorde, Hawker Energy, Gill, Marathon, Grimes, and PS-800 Series Emergency Batteries.
   
• Custom Intercom & Entertainment systems.
   
• Dealership and manufacturer affiliations with: Artex, Aircell, Audio International, Avidyne, Baker, Bendix/King, Bose, Chelton, Collins, Garmin, BF Goodrich, Honeywell, International Communications Group, Innovative Systems & Solutions, N.A.T., Sandel, Securaplane, Shadin, and Universal.
   
• Active member of Aircraft Electronic Association (AEA) & Professional Aircraft Maintenance Association (PAMA).